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Case Report
MRI Finding of a Case of Relapsed Acute Mixed Type Leukemia with Bone Marrow Necrosis
Joo Young Park, Euk Park, Seat Byeoul Park, Dong Seok Jeon, Hee Jung Lee, Heung Sik Kim, Chin Moo Kang
Clin Exp Pediatr. 2002;45(2):256-260.   Published online February 15, 2002
Bone marrow necrosis is a rare complication of a variety of diseases affecting the marrow. The cause and incidence are unknown, and reports of treatment response are rare. We describe a case of relapsed acute mixed type leukemia with bone marrow necrosis. The patient was a 10 year old female diagnosed with acute mixed type leukemia four years ago. She...
A Case of Acute Leukemia Remitted by Adding Cyclosporin-A Previously Failed with Induction Therapy
Seat Byeoul Park, Byung Kyu Choe, Heung Sik Kim, Chin Moo Kang
Clin Exp Pediatr. 2000;43(7):988-992.   Published online July 15, 2000
Clinical chemotherapy refractoriness is characterized by resistance to multiple drugs. Multidrug resistance(MDR) is caused by over-reactivity of a unidirectional drug efflux pump, transmembrane glycoprotein(P-glycoprotein), which is encoded by the MDR1 gene. P-glycoprotein leads to increased drug efflux and decreased intracellular drug concentration. Clinical trials that attempt to reverse or modulate MDR have been done. Cyclosporin-A and verapamil are the most extensively studied agents and several...
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